Maths In Excel (part 2!) HELP NEEDED!!
 

hello,

i have another question that im stuck on, if anyone can help Id appreciate
it alot!

I need to create a 3-D plot of the function sin(x*y) from x and y ranging
from -pi to pi.

Thanks Again for your time

keir

Maths In Excel (part 2!) HELP NEEDED!!
 

"Keir FM" wrote in message
...
hello,

i have another question that im stuck on, if anyone can help Id appreciate
it alot!

I need to create a 3-D plot of the function sin(x*y) from x and y ranging
from -pi to pi.

Thanks Again for your time

keir



As far as I know, Excel cannot plot genuine 3D graphs (at least my version,
2003, cannot). By "genuine 3D" I mean a function of two variables, such as
sin(x*y). The plots you see that look 3D are really 2D graphs projected in a
pseudo-3D. They contain no more information than a simple 2D graph would.
(I've never understood why people use these. It's more difficult to see what
is really happening - or perhaps that's the reason! But that's another
story.)

If anyone knows better about this, or if this functionality has been added
to 2007, I would be pleased to hear.

Maths In Excel (part 2!) HELP NEEDED!!
 

It's not clear if you want advice on how to generate the values for
the graph, or how to generate a 3-d contour plot.

Andy Pope has a 3-d scatter graph download he

http://www.andypope.info/charts/3drotate.htm

which you might be able to amend, and Jon Peltier has an article on
contour graphs he

http://pubs.logicalexpressions.com/P...cle.asp?ID=447

Hope these help.

Pete

On Dec 6, 9:40 pm, Keir FM wrote:
hello,

i have another question that im stuck on, if anyone can help Id appreciate
it alot!

I need to create a 3-D plot of the function sin(x*y) from x and y ranging
from -pi to pi.

Thanks Again for your time

keir